EP0944101B1 - Bus-bar device and electrical feed-through - Google Patents

Bus-bar device and electrical feed-through Download PDF

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Publication number
EP0944101B1
EP0944101B1 EP99400600A EP99400600A EP0944101B1 EP 0944101 B1 EP0944101 B1 EP 0944101B1 EP 99400600 A EP99400600 A EP 99400600A EP 99400600 A EP99400600 A EP 99400600A EP 0944101 B1 EP0944101 B1 EP 0944101B1
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EP
European Patent Office
Prior art keywords
cover
bar
wall
lip
aperture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99400600A
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German (de)
French (fr)
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EP0944101A1 (en
Inventor
Olivier Pioch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pioch SA
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Pioch SA
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Publication date
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Publication of EP0944101A1 publication Critical patent/EP0944101A1/en
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Publication of EP0944101B1 publication Critical patent/EP0944101B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/26—Lead-in insulators; Lead-through insulators
    • H01B17/30—Sealing
    • H01B17/303—Sealing of leads to lead-through insulators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G5/00—Installations of bus-bars
    • H02G5/02—Open installations
    • H02G5/025—Supporting structures

Definitions

  • the present invention relates to a bar-pass device for be mounted through a hole in a wall for the passage of a conducting bar, of the type comprising a body traversed from part to part by a conduit for receiving said bar and an attached lid on said body, said cover comprising, for the passage of said bar, a light that extends the conduit of the body.
  • Bar-pass devices are intended to allow the passage of a power line, particularly of high intensity, through a wall, for example the wall of the housing of a transformer.
  • the wall penetrations are thus made from a device pass-bar and a busbar.
  • the bar-pass devices are currently made of plastic. Wall crossings must be used under a hood or in a room away from the weather the materials used, in the known structures, which do not offer good resistance to external aggression. In particular, Bar-pass devices do not provide sufficient sealing.
  • pass-rod made of porcelain. These devices pass-rod, because of their method of manufacture, only allow the passage of a rod conductive circular section. In addition, they are expensive. Finally, they are fragile and can not withstand excessive bending of the stem conductive.
  • Document FR 2.545.641 describes a bar-pass device according to the preamble of claim 1.
  • the document CH 201 408 describes a pass-rod device of another type.
  • the object of the invention is to propose a low-pass, low-pass device. cost, which may be exposed to external weather, and receive a bar of oblong section, including rectangular.
  • the subject of the invention is a bar-pass device according to claim 1.
  • the device bar-pass comprises one or more of the features of the dependent claims.
  • the invention furthermore relates to a wall crossing, characterized in that it comprises a conducting bar and a bar-pass device as defined above.
  • the bushing shown in FIG. 1 comprises a bar-pass device 10 and a busbar 12.
  • the busbar device 10 comprises a body 14 and a lid 16 provided at the top with an external collar 18.
  • the cover 16 may have at the top several collars stacked along part of the length of the bar conductive 12.
  • the body 14 and the lid 16 have substantially axisymmetric with respect to the longitudinal direction of the bar 12. They are essentially made of a thermoplastic material, for example polyamide, polybutylene terephthalate or "peek".
  • the external surface or exposed lid 16 is further completely covered with a protective and insulating coating 19.
  • the conductive bar 12 is rectilinear and has an oblong section, for rectangular example with its small rounded sides. It is carried out in non-ferrous metal and has at each end holes for the connection of electric cables.
  • the body 14 is traversed right through by a conduit 20 of reception of the conductive bar12.
  • the lid 16 has a bell shape and delimits internally a housing 22 for receiving the essential body 14.
  • the housing 22 extends to the upper end of the cover 16 by a 24 light passage of the conductive bar 12. This light has a section substantially equal to the section of the bar 12.
  • the light 24 is lined externally by a peripheral lip 26 resiliently deformable, adapted to apply sealingly on the outline of the conductive bar 12.
  • the lip 26 is material with the coating 19 covering the lid 16.
  • the body 14 and the lid 16 are adapted to be arranged as shown in FIGS. 1 and 2 on the same side of a wall P through an orifice O.
  • the body 14 has essentially the shape of a sleeve whose inner conduit 20 is of constant section.
  • the section internal duct 20 is very slightly greater than the section of the bar conductive 12.
  • the body 14 has externally in its middle part a flange 28 bearing on the outer surface of the wall P. This collar axially separates the body into a portion intended to pass through the wall P and a part intended to be received in the lid 16.
  • the body 14 On the side of the flange 28 intended to cross the orifice O and to make projecting inside the housing delimited by the wall P, the body 14 comprises a collar 30. This defines the passage 20. This collar is stiffened externally by longitudinal ribs 32 regularly distributed on its periphery.
  • the ribs 32 are of gradually decreasing height from the flange 28 to the free end of the collar 30, to ensure a guiding the body 14 in the orifice O during its introduction.
  • the height of the ribs 32 is less than the width of the flange 28, so that a bearing surface device 34 is formed between the ribs 32 and the outer contour of the collar 28.
  • the body 14 is defined by a tubular extension 34 of oblong section delimiting the conduit 20.
  • the tubular extension 34 In its region of connection with the flange 28, the tubular extension 34 externally has a peripheral oversize 36.
  • the latter is connected to the running portion, marked 37, of the extension 34 by a stub of gradually decreasing thickness 38 forming a chamfer peripheral.
  • this section 38 is substantially truncated.
  • a radial bore 40 is provided on a flat face of the extension 34 in its current portion 37 of reduced thickness. This piercing 40 opens into the conduit 20. It is adapted to receive end of a pin, not shown, for the axial retention of the bar 12. The other end of the pin is received in a bore 42 transverse of the bar, aligned with the hole 40.
  • the lid 16 is formed, in order to facilitate its molding, of two parts interlocked elastically into one another. So, it has a 16A trunk capping the body 14 and an annular ring reported 16B defining the collar 18.
  • the trunk 16A has a tubular wall 50 surrounding the tubular extension 34.
  • This tubular wall 50 comprises, at its lower end in contact with the outer surface of the wall P, a fixing base 52. It carries, at its other end, the collar 18.
  • the base 52 is of substantially rectangular shape with corners rounded. In the corners are provided holes 54 for the reception fixing bolts.
  • Reinforcing ribs 56 of triangular shape, connect the surface exposed from the base 52 to the tubular wall 50.
  • the ribs 56 take birth at the base of the collar 18. They have a height gradually increasing to the base 52.
  • the trunk 16A is covered externally on all its surface exhibited by a portion marked 19A of the coating covering the whole of the cover 16.
  • the flange 18 has an oblong outer contour, substantially shaped oval. It is slightly inclined towards the base 52 and extends substantially on most of the surface of it.
  • the flange is formed by the annular ring 16B covered with a noted part 19B of the covering 19.
  • the annular ring 16B has a skirt 57 delimiting partially the light 24 for the passage of the rod 12. This skirt is received in a countersink 58 formed at the open end of the part of the light 24 bounded by the trunk 16A.
  • the skirt 57 has at its end received in the counterbore 58 an outer peripheral bead 59 adapted for engage elastically in a complementary hollow groove in the trunk 16A.
  • the skirt 57 is bordered by a crown external 60 extending radially.
  • This crown 60 constitutes a soul rigid for the flange 18, the latter being formed for the rest by the coating 19B.
  • the deformable lip 26 consists of an external bead bordering the light 24. This bead has at the top a sharp edge 26A defining a peripheral ridge limiting the bearing area on the bar conductive 12. The sharp edge 26A is in the extension of the inner surface of the skirt 57 delimiting the light 24.
  • the housing 22 of the lid has a section gradually decreasing from the base 52 to the deformable lip 26.
  • the housing 22 has a main section 61 whose section is very slightly greater than that of the tubular extension 34.
  • the main section 61 is extended by a expanded section 62 for receiving the extra thickness 36 of the body.
  • the stretch 62 is connected to the main section 61 by a section section gradually decreasing 63 having a substantially frustoconical converging towards the top of the cover 16. This section defines a chamfer corresponding to the chamfer defined by the section 38.
  • the housing 22 At its end opening through the base 52, the housing 22 has two successive countersinks 64, 66 intended, for the smallest, to receive the collar 28 and, for the widest, to receive both the flange 28 and a seal 68 disposed around it.
  • This seal 68 is adapted to bear simultaneously on the lid 16, the body 14 and the outer surface of the wall P.
  • the main section 58 has a length greater than the length of the tubular extension 34. It ends at the level of the light 24 which defines with the section 58 a shoulder 70.
  • An annular seal 72 is disposed between the shoulder 70 and the front end of the tubular extension 34. This seal 72 is adapted to apply simultaneously on the body 14, the cover 16 and the bar conductive 12 when it is held in the bar-pass device, as shown in FIG. 1. In a variant not shown, the seal single 72 is replaced by several stacked joints.
  • the lip 26 is made of a deformable material, for example an insulating elastomer such as "silicone”, “neoprene” or “nitrile".
  • the lip 26 is integral with the coating 19B covering the annular ring of the lid.
  • the lid 16 is formed by an internal rigid structure, made for example rigid plastic on which is molded the lip 26, in border of the light 24. The lip 26 thus extends on the collar 18 and on the entire outer surface of the cover 16 via the insulating coating 19A.
  • the busbar 12 is introduced through the passage 20. It is immobilized by placing in place of a not shown pin introduced into the holes aligned 40 and 42. The body 14 is then inserted through the opening O. The seal 68 is put in place around the flange 28 in contact with the outer surface of the wall P.
  • the seal 72 is introduced inside the housing 22 formed in the cover 16. More specifically, the seal 72 is arranged temporarily in the section 62 of width slightly greater than main section 61.
  • the cover 16 is then reported around the bar 12 and the external part of the body 14.
  • the annular seal 72 is progressively pressed along the length of the main section 61 to the shoulder 70.
  • the convergent surface 63 promotes the introduction of the seal 72 and in particular its radial compression.
  • Such a retaining means of the bar 12 makes it possible to replace the joints 68 and 72 by simply removing the cover 16, without it being necessary to remove the axial retaining pin from the bar conductive.
  • the seal ring 68 is initially arranged around the collar 28. This last maintains the seal 68 in position during the installation of the cover 16. Thus, it is not necessary to carry out a set-up initial seal 68 in the counterbore 64 of the cover 16, which would require the retention thereof by implementation of an adhesive.
  • the outer peripheral lip 26 being made of a material deformable, it applies directly to the outer surface of the bar 12, thus ensuring the reliability of the sealing of the cross.
  • the cover has good resistance to climatic aggressions.
  • the lid 16 can thus be arranged outside without particular protection additional.
  • the body portion 14 protruding outwardly relative to the wall P is entirely covered by the cover 16. The body can therefore be without protective coating against the weather.
  • An electrical crossing as described here allows the passage a current of intensity greater than 1000 A for a low voltage of 380 V or a medium voltage of the order of 20 000 V.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Insulating Bodies (AREA)
  • Installation Of Indoor Wiring (AREA)

Description

La présente invention concerne un dispositif passe-barre, destiné à être monté au travers d'un orifice ménagé dans une paroi pour le passage d'une barre conductrice, du type comportant un corps traversé de part en part par un conduit de réception de ladite barre et une couvercle rapporté sur ledit corps, ledit couvercle comportant, pour le passage de ladite barre, une lumière qui prolonge le conduit du corps.The present invention relates to a bar-pass device for be mounted through a hole in a wall for the passage of a conducting bar, of the type comprising a body traversed from part to part by a conduit for receiving said bar and an attached lid on said body, said cover comprising, for the passage of said bar, a light that extends the conduit of the body.

Elle concerne en outre une traversée de paroi.It also relates to a wall crossing.

Les dispositifs passe-barre sont destinés à permettre le passage d'une ligne électrique, notamment de forte intensité, au travers d'une paroi, par exemple la paroi du boítier d'un transformateur.Bar-pass devices are intended to allow the passage of a power line, particularly of high intensity, through a wall, for example the wall of the housing of a transformer.

Les traversées de paroi sont ainsi réalisées à partir d'un dispositif passe-barre et d'une barre conductrice. Pour les barres de section oblongue et notamment sensiblement rectangulaire, les dispositifs passe-barre sont actuellement réalisées en matière plastique. Les traversées de paroi doivent être utilisées sous un capot ou dans une pièce à l'écart des intempéries extérieures, les matières utilisées, dans les structures connues, n'offrant pas une bonne résistance aux agressions extérieures. En particulier, les dispositifs passe-barre n'assurent pas une étanchéité suffisante.The wall penetrations are thus made from a device pass-bar and a busbar. For oblong section bars and in particular substantially rectangular, the bar-pass devices are currently made of plastic. Wall crossings must be used under a hood or in a room away from the weather the materials used, in the known structures, which do not offer good resistance to external aggression. In particular, Bar-pass devices do not provide sufficient sealing.

Les traversées connues qui supportent une exposition aux intempéries extérieures comportent des dispositifs passe-barre, appelés dans ce cas passe-tige, réalisés en porcelaine. Ces dispositifs passe-tige, du fait de leur mode de fabrication, ne permettent que le passage d'une tige conductrice de section circulaire. De plus, ils sont coûteux. Enfin, ils sont fragiles et ne supportent pas des flexions trop importantes de la tige conductrice.Known crossings that support exposure to Outdoor weather features bar-pass devices, called in this case pass-rod, made of porcelain. These devices pass-rod, because of their method of manufacture, only allow the passage of a rod conductive circular section. In addition, they are expensive. Finally, they are fragile and can not withstand excessive bending of the stem conductive.

Le document FR 2.545.641 décrit un dispositif passe-barre selon le préambule de la revendication 1. Le document CH 201 408 décrit un dispositif passe-tige d'un autre type.Document FR 2.545.641 describes a bar-pass device according to the preamble of claim 1. The document CH 201 408 describes a pass-rod device of another type.

L'invention a pour but de proposer un dispositif passe-barre, de faible coût, pouvant être exposé aux intempéries extérieures, et permettant de recevoir une barre de section oblongue, notamment rectangulaire.The object of the invention is to propose a low-pass, low-pass device. cost, which may be exposed to external weather, and receive a bar of oblong section, including rectangular.

A cet effet, l'invention a pour objet un dispositif passe-barre selon la revendication 1.For this purpose, the subject of the invention is a bar-pass device according to claim 1.

Suivant des modes particuliers de réatisation, le dispositif passe-barre comporte l'une ou plusieurs des caractéristiques des revendications dépendantes. According to particular modes of réatization, the device bar-pass comprises one or more of the features of the dependent claims.

L'invention a en outre pour objet une traversée de paroi, caractérisée en ce qu'elle comporte une barre conductrice et un dispositif passe-barre tels que définis ci-dessus.The invention furthermore relates to a wall crossing, characterized in that it comprises a conducting bar and a bar-pass device as defined above.

L'invention sera mieux comprise à la lecture de la description qui va suivre donnée uniquement à titre d'exemple et faite en se référant aux dessins sur lesquels :

  • La figure 1 est une vue en coupe de trois-quarts d'une traversée de paroi selon l'invention et
  • La figure 2 est une vue en perspective, partiellement en coupe, du dispositif passe-barre de la traversée de la figure 1.
The invention will be better understood on reading the following description given solely by way of example and with reference to the drawings in which:
  • FIG. 1 is a three-quarter sectional view of a wall penetration according to the invention and
  • FIG. 2 is a perspective view, partly in section, of the bar-pass device of the crossing of FIG. 1.

La traversée représentée sur la figure 1 comporte un dispositif passe-barre 10 et une barre conductrice 12. Le dispositif passe-barre 10 comporte un corps 14 et un couvercle 16 muni, au sommet, d'une collerette externe 18. The bushing shown in FIG. 1 comprises a bar-pass device 10 and a busbar 12. The busbar device 10 comprises a body 14 and a lid 16 provided at the top with an external collar 18.

En variante, le couvercle 16 peut comporter au sommet plusieurs collerettes empilées suivant une partie de la longueur de la barre conductrice 12.Alternatively, the cover 16 may have at the top several collars stacked along part of the length of the bar conductive 12.

Le corps 14 et le couvercle 16 ont des formes sensiblement axisymétriques par rapport à la direction longitudinale de la barre 12. Ils sont réalisés essentiellement en une matière thermoplastique, par exemple du polyamide, du polybutylène téréphtalate ou du " peek ". La surface externe ou exposée du couvercle 16 est en outre recouverte totalement d'un revêtement protecteur et isolant 19.The body 14 and the lid 16 have substantially axisymmetric with respect to the longitudinal direction of the bar 12. They are essentially made of a thermoplastic material, for example polyamide, polybutylene terephthalate or "peek". The external surface or exposed lid 16 is further completely covered with a protective and insulating coating 19.

La barre conductrice 12 est rectiligne et a une section oblongue, par exemple rectangulaire avec ses petits côtés arrondis. Elle est réalisée en métal non ferreux et comporte à chaque extrémité des perçages pour la connexion de câbles électriques.The conductive bar 12 is rectilinear and has an oblong section, for rectangular example with its small rounded sides. It is carried out in non-ferrous metal and has at each end holes for the connection of electric cables.

Le corps 14 est traversé de part en part par un conduit 20 de réception de la barre conductrice12.The body 14 is traversed right through by a conduit 20 of reception of the conductive bar12.

Le couvercle 16 présente une forme de cloche et délimite intérieurement un logement 22 de réception de l'essentiel du corps 14. Le logement 22 se prolonge à l'extrémité supérieure du couvercle 16 par une lumière 24 de passage de la barre conductrice 12. Cette lumière a une section sensiblement égale à la section de la barre 12.The lid 16 has a bell shape and delimits internally a housing 22 for receiving the essential body 14. The housing 22 extends to the upper end of the cover 16 by a 24 light passage of the conductive bar 12. This light has a section substantially equal to the section of the bar 12.

La lumière 24 est bordée extérieurement par une lèvre périphérique 26 déformable élastiquement, adaptée pour s'appliquer de manière étanche sur le contour de la barre conductrice 12. La lèvre 26 est venue de matière avec le revêtement 19 couvrant le couvercle 16.The light 24 is lined externally by a peripheral lip 26 resiliently deformable, adapted to apply sealingly on the outline of the conductive bar 12. The lip 26 is material with the coating 19 covering the lid 16.

Le corps 14 et le couvercle 16 sont adaptés pour être disposés comme représenté sur les figures 1 et 2 d'un même côté d'une paroi P traversée d'un orifice O.The body 14 and the lid 16 are adapted to be arranged as shown in FIGS. 1 and 2 on the same side of a wall P through an orifice O.

- A cet effet, le corps 14 présente essentiellement la forme d'un manchon dont le conduit interne 20 est de section constante. La section interne du conduit 20 est très légèrement supérieure à la section de la barre conductrice 12.- For this purpose, the body 14 has essentially the shape of a sleeve whose inner conduit 20 is of constant section. The section internal duct 20 is very slightly greater than the section of the bar conductive 12.

Le corps 14 comporte extérieurement dans sa partie médiane une collerette 28 d'appui sur la surface externe de la paroi P. Cette collerette sépare axialement le corps en une partie destinée à traverser la paroi P et une partie destinée à être reçue dans le couvercle 16.The body 14 has externally in its middle part a flange 28 bearing on the outer surface of the wall P. This collar axially separates the body into a portion intended to pass through the wall P and a part intended to be received in the lid 16.

Du côté de la collerette 28 destinée à traverser l'orifice O et à faire saillie à l'intérieur du logement délimité par la paroi P, le corps 14 comporte un collet 30. Celle-ci délimite le passage 20. Ce collet est rigidifié extérieurement par des nervures longitudinales 32 régulièrement réparties sur sa périphérie.On the side of the flange 28 intended to cross the orifice O and to make projecting inside the housing delimited by the wall P, the body 14 comprises a collar 30. This defines the passage 20. This collar is stiffened externally by longitudinal ribs 32 regularly distributed on its periphery.

Les nervures 32 sont de hauteur progressivement décroissante depuis la collerette 28 jusqu'à l'extrémité libre du collet 30, afin d'assurer un guidage du corps 14 dans l'orifice O lors de son introduction. De plus, au voisinage immédiat de la collerette 28, la hauteur des nervures 32 est inférieure à la largeur de la collerette 28, de sorte qu'une surface d'appui périphérique 34 est ménagée entre les nervures 32 et le contour extérieur de la collerette 28.The ribs 32 are of gradually decreasing height from the flange 28 to the free end of the collar 30, to ensure a guiding the body 14 in the orifice O during its introduction. In addition, immediate vicinity of the flange 28, the height of the ribs 32 is less than the width of the flange 28, so that a bearing surface device 34 is formed between the ribs 32 and the outer contour of the collar 28.

De l'autre côté de la collerette 28, le corps 14 est défini par un prolongement tubulaire 34 de section oblongue délimitant le conduit 20. Dans sa région de liaison avec la collerette 28, le prolongement tubulaire 34 comporte extérieurement une surépaisseur périphérique 36. Cette dernière est reliée à la partie courante, notée 37, du prolongement 34 par un tronçon d'épaisseur progressivement décroissante 38 formant un chanfrein périphérique. Dans l'exemple décrit, ce tronçon 38 est sensiblement tronconique.On the other side of the flange 28, the body 14 is defined by a tubular extension 34 of oblong section delimiting the conduit 20. In its region of connection with the flange 28, the tubular extension 34 externally has a peripheral oversize 36. The latter is connected to the running portion, marked 37, of the extension 34 by a stub of gradually decreasing thickness 38 forming a chamfer peripheral. In the example described, this section 38 is substantially truncated.

Un perçage radial 40 est ménagé sur une face plane du prolongement 34 dans sa partie courante 37 d'épaisseur réduite. Ce perçage 40 débouche à l'intérieur du conduit 20. Il est adapté pour recevoir l'extrémité d'une goupille, non représentée, destinée à la retenue axiale de la barre 12. L'autre extrémité de la goupille est reçue dans un perçage 42 transversal de la barre, aligné avec le perçage 40.A radial bore 40 is provided on a flat face of the extension 34 in its current portion 37 of reduced thickness. This piercing 40 opens into the conduit 20. It is adapted to receive end of a pin, not shown, for the axial retention of the bar 12. The other end of the pin is received in a bore 42 transverse of the bar, aligned with the hole 40.

Le couvercle 16 est formé, afin de faciliter son moulage, de deux parties enclenchées élastiquement l'une dans l'autre. Ainsi, il comporte un tronc 16A coiffant le corps 14 et une bague annulaire rapportée 16B définissant la collerette 18.The lid 16 is formed, in order to facilitate its molding, of two parts interlocked elastically into one another. So, it has a 16A trunk capping the body 14 and an annular ring reported 16B defining the collar 18.

Le tronc 16A comporte une paroi tubulaire 50 entourant le prolongement tubulaire 34. Cette paroi tubulaire 50 comporte, à son extrémité inférieure en contact avec la surface externe de la paroi P, une base de fixation 52. Elle porte, à son autre extrémité, la collerette 18.The trunk 16A has a tubular wall 50 surrounding the tubular extension 34. This tubular wall 50 comprises, at its lower end in contact with the outer surface of the wall P, a fixing base 52. It carries, at its other end, the collar 18.

La base 52 est de forme sensiblement rectangulaire avec des coins arrondis. Dans les coins sont ménagés des perçages 54 pour la réception de boulons de fixation.The base 52 is of substantially rectangular shape with corners rounded. In the corners are provided holes 54 for the reception fixing bolts.

Des nervures de renfort 56, de forme triangulaire, relient la surface exposée de la base 52 à la paroi tubulaire 50. Les nervures 56 prennent naissance à la base de la collerette 18. Elles ont une hauteur progressivement croissante jusqu'à la base 52. Reinforcing ribs 56, of triangular shape, connect the surface exposed from the base 52 to the tubular wall 50. The ribs 56 take birth at the base of the collar 18. They have a height gradually increasing to the base 52.

Le tronc 16A est recouvert extérieurement sur toute sa surface exposée par une partie notée 19A du revêtement recouvrant l'ensemble du couvercle 16.The trunk 16A is covered externally on all its surface exhibited by a portion marked 19A of the coating covering the whole of the cover 16.

La collerette 18 a un contour extérieur oblong, sensiblement en forme d'ovale. Elle est légèrement inclinée vers la base 52 et s'étend sensiblement sur l'essentiel de la surface de celle-ci.The flange 18 has an oblong outer contour, substantially shaped oval. It is slightly inclined towards the base 52 and extends substantially on most of the surface of it.

La collerette est formée par la bague annulaire 16B recouverte d'une partie notée 19B du revêtement 19.The flange is formed by the annular ring 16B covered with a noted part 19B of the covering 19.

La bague annulaire 16B comporte une jupe 57 délimitant partiellement la lumière 24 pour le passage de la tige 12. Cette jupe est reçue dans un lamage 58 ménagé à l'extrémité ouverte de la partie de la lumière 24 délimitée par le tronc 16A. La jupe 57 présente à son extrémité reçue dans le lamage 58 un bourrelet périphérique externe 59 adapté pour s'engager élastiquement dans une gorge annulaire complémentaire creusée dans le tronc 16A.The annular ring 16B has a skirt 57 delimiting partially the light 24 for the passage of the rod 12. This skirt is received in a countersink 58 formed at the open end of the part of the light 24 bounded by the trunk 16A. The skirt 57 has at its end received in the counterbore 58 an outer peripheral bead 59 adapted for engage elastically in a complementary hollow groove in the trunk 16A.

A son autre extrémité, la jupe 57 est bordée par une couronne externe 60 s'étendant radialement. Cette couronne 60 constitue une âme rigide pour la collerette 18, cette dernière étant formée pour le reste par le revêtement 19B.At its other end, the skirt 57 is bordered by a crown external 60 extending radially. This crown 60 constitutes a soul rigid for the flange 18, the latter being formed for the rest by the coating 19B.

La lèvre déformable 26 est constituée d'un bourrelet externe bordant la lumière 24. Ce bourrelet présente au sommet une arête vive 26A définissant une crête périphérique limitant la zone d'appui sur la barre conductrice 12. L'arête vive 26A se trouve dans le prolongement de la surface interne de la jupe 57 délimitant la lumière 24.The deformable lip 26 consists of an external bead bordering the light 24. This bead has at the top a sharp edge 26A defining a peripheral ridge limiting the bearing area on the bar conductive 12. The sharp edge 26A is in the extension of the inner surface of the skirt 57 delimiting the light 24.

Le logement 22 du couvercle présente une section progressivement décroissante depuis la base 52 jusqu'à la lèvre déformable 26. Dans sa partie courante, le logement 22 comporte un tronçon principal 61 dont la section est très légèrement supérieure à celle du prolongement tubulaire 34.The housing 22 of the lid has a section gradually decreasing from the base 52 to the deformable lip 26. In its part, the housing 22 has a main section 61 whose section is very slightly greater than that of the tubular extension 34.

Au niveau de la base 52, le tronçon principal 61 est prolongé par un tronçon élargi 62 destiné à recevoir la surépaisseur 36 du corps. Le tronçon élargi 62 est relié au tronçon principal 61 par un tronçon de section progressivement décroissante 63 présentant un profil sensiblement tronconique convergeant vers le sommet du couvercle 16. Ce tronçon définit un chanfrein correspondant au chanfrein défini par le tronçon 38.At the base 52, the main section 61 is extended by a expanded section 62 for receiving the extra thickness 36 of the body. The stretch 62 is connected to the main section 61 by a section section gradually decreasing 63 having a substantially frustoconical converging towards the top of the cover 16. This section defines a chamfer corresponding to the chamfer defined by the section 38.

A son extrémité débouchante au travers de la base 52, le logement 22 présente deux lamages successifs 64, 66 destinés, pour le moins large, à recevoir la collerette 28 et, pour le plus large, à recevoir à la fois la collerette 28 et un joint d'étanchéité 68 disposé autour de celle-ci. Ce joint 68 est adapté pour venir en appui simultanément sur le couvercle 16, le corps 14 et la surface externe de la paroi P.At its end opening through the base 52, the housing 22 has two successive countersinks 64, 66 intended, for the smallest, to receive the collar 28 and, for the widest, to receive both the flange 28 and a seal 68 disposed around it. This seal 68 is adapted to bear simultaneously on the lid 16, the body 14 and the outer surface of the wall P.

Le tronçon principal 58 a une longueur supérieure à la longueur du prolongement tubulaire 34. Il s'achève au niveau de la lumière 24 qui définit avec le tronçon 58 un épaulement 70.The main section 58 has a length greater than the length of the tubular extension 34. It ends at the level of the light 24 which defines with the section 58 a shoulder 70.

Un joint d'étanchéité annulaire 72 est disposé entre l'épaulement 70 et l'extrémité avant du prolongement tubulaire 34. Ce joint 72 est adapté pour s'appliquer simultanément sur le corps 14, le couvercle 16 et la barre conductrice 12 lorsque celle-ci est maintenue dans le dispositif passe-barre, comme représenté sur la figure 1. En variante non représentée, le joint unique 72 est remplacé par plusieurs joints empilés.An annular seal 72 is disposed between the shoulder 70 and the front end of the tubular extension 34. This seal 72 is adapted to apply simultaneously on the body 14, the cover 16 and the bar conductive 12 when it is held in the bar-pass device, as shown in FIG. 1. In a variant not shown, the seal single 72 is replaced by several stacked joints.

Selon l'invention, la lèvre 26 est réalisée en un matériau déformable, par exemple un élastomère isolant tel que du " silicone ", du " néoprène " ou du "nitrile". En particulier, la lèvre 26 est venue de matière avec le revêtement 19B recouvrant la bague annulaire du couvercle. Ainsi, le couvercle 16 est formé par une structure rigide interne, réalisée par exemple en matière plastique rigide sur laquelle est surmoulée la lèvre 26, en bordure de la lumière 24. La lèvre 26 se prolonge ainsi sur la collerette 18 et sur l'ensemble de la surface externe du couvercle 16 par l'intermédiaire du revêtement isolant 19A.According to the invention, the lip 26 is made of a deformable material, for example an insulating elastomer such as "silicone", "neoprene" or "nitrile". In particular, the lip 26 is integral with the coating 19B covering the annular ring of the lid. So, the lid 16 is formed by an internal rigid structure, made for example rigid plastic on which is molded the lip 26, in border of the light 24. The lip 26 thus extends on the collar 18 and on the entire outer surface of the cover 16 via the insulating coating 19A.

Afin d'assurer le montage d'une telle traversée, la barre conductrice 12 est introduite au travers du passage 20. Elle y est immobilisée par mise en place d'une goupille non représentée introduite dans les perçages alignés 40 et 42. On introduit ensuite le corps 14 au travers de l'ouverture O. Le joint 68 est mis en place autour de la collerette 28 en contact avec la surface externe de la paroi P.To ensure the assembly of such a crossing, the busbar 12 is introduced through the passage 20. It is immobilized by placing in place of a not shown pin introduced into the holes aligned 40 and 42. The body 14 is then inserted through the opening O. The seal 68 is put in place around the flange 28 in contact with the outer surface of the wall P.

De même, le joint 72 est introduit à l'intérieur du logement 22 ménagé dans le couvercle 16. Plus précisément, le joint 72 est disposé temporairement dans le tronçon 62 de largeur légèrement supérieure au tronçon principal 61.Similarly, the seal 72 is introduced inside the housing 22 formed in the cover 16. More specifically, the seal 72 is arranged temporarily in the section 62 of width slightly greater than main section 61.

Le couvercle 16 est alors rapporté autour de la barre 12 et de la partie extérieure du corps 14. Lors de l'enfoncement du couvercle 16 sur le prolongement tubulaire 34, le joint annulaire 72 est progressivement enfoncé suivant la longueur du tronçon principal 61 jusqu'à l'épaulement 70. Lors de ce déplacement, la surface convergente 63 favorise l'introduction du joint 72 et en particulier sa compression radiale.The cover 16 is then reported around the bar 12 and the external part of the body 14. When the lid 16 is pushed onto the tubular extension 34, the annular seal 72 is progressively pressed along the length of the main section 61 to the shoulder 70. During this displacement, the convergent surface 63 promotes the introduction of the seal 72 and in particular its radial compression.

Lorsque la base 52 est en appui sur la surface externe de la paroi P, des boulons sont introduits au travers des perçages 54, immobilisant ainsi le couvercle16. Ce dernier plaque et retient le corps 14 contre la paroi P par l'intermédiaire du joint 72 comprimé. Avantageusement, les parties saillantes des boulons sont recouvertes de capuchons isolants.When the base 52 bears on the outer surface of the wall P, bolts are introduced through the holes 54, thereby immobilizing the couvercle16. This latter plate and holds the body 14 against the wall P by via the compressed seal 72. Advantageously, the parties protruding bolts are covered with insulating caps.

On comprend que, lorsque le couvercle 16 recouvre la paroi tubulaire 34, la goupille introduite dans les perçages alignés 40 et 42 est maintenue prisonnière à l'intérieur du dispositif passe-tige, de sorte que la barre 12 est maintenue fixe axialement.It is understood that when the cover 16 covers the tubular wall 34, the pin introduced into the aligned holes 40 and 42 is maintained trapped inside the shank device, so that the bar 12 is held axially fixed.

Un tel moyen de retenue de la barre 12 permet de remplacer les joints 68 et 72 par simple démontage du couvercle 16, sans qu'il soit nécessaire de procéder au retrait de la goupille de retenue axiale de la barre conductrice.Such a retaining means of the bar 12 makes it possible to replace the joints 68 and 72 by simply removing the cover 16, without it being necessary to remove the axial retaining pin from the bar conductive.

Par ailleurs, lors du montage du dispositif passe-tige, le joint annulaire 68 est initialement disposé autour de la collerette 28. Cette dernière maintient le joint 68 en position lors de la mise en place du couvercle 16. Ainsi, il n'est pas nécessaire de procéder à une mise en place initiale du joint 68 dans le lamage 64 du couvercle 16, ce qui nécessiterait la retenue de celui-ci par mise en oeuvre d'un adhésif.Furthermore, during the assembly of the shank device, the seal ring 68 is initially arranged around the collar 28. This last maintains the seal 68 in position during the installation of the cover 16. Thus, it is not necessary to carry out a set-up initial seal 68 in the counterbore 64 of the cover 16, which would require the retention thereof by implementation of an adhesive.

La lèvre périphérique externe 26 étant réalisée en un matériau déformable, celle-ci s'applique directement sur la surface externe de la barre 12, garantissant ainsi la fiabilité de l'étanchéité de la traverse.The outer peripheral lip 26 being made of a material deformable, it applies directly to the outer surface of the bar 12, thus ensuring the reliability of the sealing of the cross.

De plus, la lèvre 26 étant prolongée par le revêtement externe isolant, le couvercle présente une bonne tenue aux agressions climatiques. Le couvercle 16 peut ainsi être disposé à l'extérieur sans protection particulière supplémentaire.In addition, the lip 26 being extended by the outer insulating coating, the cover has good resistance to climatic aggressions. The lid 16 can thus be arranged outside without particular protection additional.

La partie du corps 14 faisant saillie vers l'extérieur par rapport à la paroi P est entièrement coiffée par le couvercle 16. Le corps peut donc être dépourvu de revêtement de protection contre les intempéries.The body portion 14 protruding outwardly relative to the wall P is entirely covered by the cover 16. The body can therefore be without protective coating against the weather.

Une traversée électrique telle que celle décrite ici permet le passage d'un courant d'intensité supérieure à 1000 A pour une basse tension de 380 V ou une moyenne tension de l'ordre de 20 000 V.An electrical crossing as described here allows the passage a current of intensity greater than 1000 A for a low voltage of 380 V or a medium voltage of the order of 20 000 V.

Claims (9)

  1. Bus-bar device (10) made of plastics, adapted to be mounted through an opening (O) provided in a wall (P) for the passage of a conducting bar (12) forming part of an electric power line, of the type comprising a body (14) through which an accommodating duct (20) for said bar (12) runs from one side to the other and a cover (16) fitted to said body (14), said cover (16) comprising, for the passage of said bar (12), an aperture (24) which extends the duct (20) of the body (14), characterised in that the cover (16) is fitted around an outer part of the body (14) and in that the aperture (24) in the cover (16) is bordered on the outside by an elastically deformable insulating peripheral lip (26) adapted to be applied in sealing manner over the entire contour of the conducting bar (12).
  2. Device according to claim 1, characterised in that the lip (26) is integrally formed with at least part of the cover (16).
  3. Device according to claim 1 or 2, characterised in that the cover (16) has a rigid internal structure and the lip (26) is overmoulded onto said rigid structure.
  4. Device according to claim 2 or 3, characterised in that the lip (26) is integrally formed with an insulating coating at least substantially covering the outer surface of the cover (16).
  5. Device according to any one of the preceding claims, characterised in that said passage (20) and the aperture (24) have substantially identical sections which are oblong in shape.
  6. Device according to any one of the preceding claims, characterised in that the body (14) comprises, in a region (34) covered by the cover (16), a transverse bore (40) opening into said passage (20), said bore (40) being adapted to receive a pin for retaining the conducting bar (12) which itself has a bore (42) for the end of the pin, the cover (16) fitted to the body (14) trapping the pin.
  7. Device according to any one of the preceding claims, characterised in that the body (14) comprises a peripheral collar (28) for bearing against one side of the wall (P), in that the cover (16) comprises means (54) for attaching to the wall (P) and is shaped as a cowling which substantially covers both the body (14) and the peripheral collar (28), and in that an annular joint (68) is provided around the peripheral collar (28), against the wall (P), in a recess (66) in the cover (16).
  8. Device according to any one of the preceding claims, characterised in that the cover (16) comprises a recess (22) for substantially accommodating the body (14), this recess (22) being extended by the aperture (24), and in that the recess (22) comprises, over at least part of its length, a section (63) of progressively decreasing cross-section towards the aperture (24), which is adapted to guide an annular joint (72) interposed between the body (14) and the cover (16) and compress it into the recess (22) when the cover (16) is mounted on the body (14).
  9. Wall feed-through, characterised in that it comprises a conducting bar (12) and a bus-bar device (10) according to any one of the preceding claims.
EP99400600A 1998-03-18 1999-03-11 Bus-bar device and electrical feed-through Expired - Lifetime EP0944101B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9803319A FR2776419B1 (en) 1998-03-18 1998-03-18 BARRIER DEVICE AND ELECTRICAL WALL CROSSING
FR9803319 1998-03-18

Publications (2)

Publication Number Publication Date
EP0944101A1 EP0944101A1 (en) 1999-09-22
EP0944101B1 true EP0944101B1 (en) 2004-09-01

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ID=9524190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99400600A Expired - Lifetime EP0944101B1 (en) 1998-03-18 1999-03-11 Bus-bar device and electrical feed-through

Country Status (5)

Country Link
US (1) US6376772B1 (en)
EP (1) EP0944101B1 (en)
JP (1) JP4480198B2 (en)
DE (1) DE69919770T2 (en)
FR (1) FR2776419B1 (en)

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DE102021104624A1 (en) * 2021-02-26 2022-09-01 Carl Freudenberg Kg Busbar and arrangement comprising such a busbar
KR102365356B1 (en) * 2021-09-02 2022-02-23 (주)화승코퍼레이션 Insulating bushing
CN114336445B (en) * 2021-12-06 2024-04-19 亨斯迈(杭州)电力技术有限公司 Wall bushing
DE102022126621A1 (en) 2022-10-12 2024-04-18 Lisa Dräxlmaier GmbH METHOD FOR PRODUCING A SEAL FOR A DOUBLE CURRENT RAIL AND DOUBLE CURRENT RAIL

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CN102315613B (en) * 2011-05-20 2012-07-04 湖北网安科技有限公司 Three-phase monomer solid-seal insulated bus flange assembly

Also Published As

Publication number Publication date
US6376772B1 (en) 2002-04-23
US20020023769A1 (en) 2002-02-28
DE69919770D1 (en) 2004-10-07
JP4480198B2 (en) 2010-06-16
DE69919770T2 (en) 2005-09-22
JPH11315962A (en) 1999-11-16
FR2776419A1 (en) 1999-09-24
FR2776419B1 (en) 2000-06-16
EP0944101A1 (en) 1999-09-22

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